:root {
  color-scheme: dark;
  --bg: #030506;
  --bg-soft: #080b0d;
  --panel: rgba(13, 18, 20, 0.76);
  --panel-solid: #0d1214;
  --text: #f4f8f8;
  --muted: #94a0a3;
  --faint: #5d686b;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --teal: #19c8cf;
  --teal-core: #0a99a0;
  --teal-dim: rgba(10, 153, 160, 0.18);
  --teal-glow: rgba(25, 200, 207, 0.42);
  --header-h: 86px;
  --shell: min(1460px, calc(100vw - 112px));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mx: 50vw;
  --my: 50vh;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) - 1px);
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 70% 10%, rgba(10, 153, 160, 0.08), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 19px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: var(--teal);
  color: #001214;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

img,
svg {
  display: block;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.045;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 2px, rgba(255, 255, 255, 0.25) 3px),
    repeating-linear-gradient(90deg, transparent 0 3px, rgba(255, 255, 255, 0.16) 4px);
  background-size: 5px 5px, 7px 7px;
  mix-blend-mode: soft-light;
}

.cursor-aura {
  position: fixed;
  top: var(--my);
  left: var(--mx);
  z-index: 2;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.14;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(25, 200, 207, 0.2), transparent 66%);
  filter: blur(18px);
  transition: opacity 0.5s ease;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 150;
  height: 2px;
  background: rgba(255, 255, 255, 0.03);
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--teal-core), #78f8ee);
  box-shadow: 0 0 18px var(--teal);
}

.gamepad-toast { position: fixed; right: 28px; bottom: 28px; z-index: 180; display: flex; align-items: center; gap: 13px; min-width: 285px; padding: 13px 14px 13px 13px; border: 1px solid rgba(25, 200, 207, .42); border-radius: 12px; opacity: 0; pointer-events: none; transform: translateY(14px); background: rgba(8, 15, 17, .92); box-shadow: 0 14px 46px rgba(0, 0, 0, .45), 0 0 26px rgba(25, 200, 207, .12); backdrop-filter: blur(18px); transition: opacity .35s var(--ease), transform .35s var(--ease); }
.gamepad-toast.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.gamepad-toast-icon { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--teal); border-radius: 50%; color: var(--teal); font-size: 22px; box-shadow: 0 0 16px rgba(25, 200, 207, .2); }
.gamepad-toast strong, .gamepad-toast small { display: block; }
.gamepad-toast strong { font-size: 16px; letter-spacing: .08em; }
.gamepad-toast small { margin-top: 2px; color: var(--muted); font-size: 14px; }
.gamepad-toast button { margin-left: auto; padding: 0 2px; border: 0; background: none; color: var(--faint); font-size: 21px; cursor: pointer; }
.gamepad-toast button:hover { color: var(--text); }

body.gamepad-mode :is(.button, button):focus {
  outline: 2px solid var(--teal);
  outline-offset: 5px;
  box-shadow: 0 0 0 4px rgba(25, 200, 207, .16), 0 0 24px rgba(25, 200, 207, .36);
}

.page-shell {
  position: relative;
  width: var(--shell);
  margin: 0 auto;
}

.screen-section {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) - 1px);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  isolation: isolate;
  min-height: var(--header-h);
  padding: 0 44px;
  border-bottom: 1px solid rgba(25, 200, 207, 0.18);
  background:
    linear-gradient(180deg, rgba(10, 153, 160, 0.16), rgba(3, 5, 6, 0.78));
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  backdrop-filter: blur(22px) saturate(140%);
  transition:
    min-height 0.45s var(--ease),
    border-color 0.45s ease,
    background 0.45s ease;
}

.site-header.is-scrolled {
  min-height: 70px;
  border-bottom-color: rgba(255, 255, 255, 0.12);
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 12px;
}

.brand img {
  display: block;
  width: 34px;
  height: 34px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-copy strong {
  font-size: 19px;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.brand-copy small {
  margin-top: 6px;
  color: #687477;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.6vw, 48px);
}

.main-nav a {
  position: relative;
  padding: 9px 0;
  color: #98a3a5;
  font-size: 17px;
  font-weight: 520;
  letter-spacing: 0.06em;
  transition: color 0.3s ease;
}

.main-nav a::after {
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  opacity: 0;
  transform: translate(-50%, 5px) scale(0.5);
  background: var(--teal);
  box-shadow: 0 0 13px var(--teal);
  transition: 0.35s var(--ease);
}

.main-nav a:hover,
.main-nav a.is-active {
  color: #fff;
}

.main-nav a.is-active::after {
  opacity: 1;
  transform: translate(-50%, 5px) scale(1);
}

.header-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  gap: 20px;
  padding: 0 8px 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #dce4e5;
  font-size: 16px;
  letter-spacing: 0.08em;
  transition:
    border-color 0.3s ease,
    background 0.3s ease;
}

.header-cta svg {
  width: 26px;
  height: 26px;
  padding: 5px;
  border-radius: 50%;
  background: var(--teal);
  stroke: #001416;
  stroke-width: 1.7;
  fill: none;
}

.header-cta:hover {
  border-color: rgba(25, 200, 207, 0.55);
  background: rgba(25, 200, 207, 0.08);
}

.menu-toggle {
  position: relative;
  z-index: 2;
  display: none;
  justify-self: end;
  width: 43px;
  height: 43px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(7, 11, 12, 0.78);
}

.menu-toggle span {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1px;
  background: #fff;
  transition: 0.35s var(--ease);
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg);
}

.section-rail {
  position: fixed;
  top: 50%;
  right: 25px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 17px;
  transform: translateY(-50%);
}

.section-rail a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 110px;
  gap: 10px;
  color: rgba(255, 255, 255, 0.28);
  font-size: 13px;
  letter-spacing: 0.12em;
  transition: color 0.3s ease;
}

.section-rail a b {
  font-weight: 600;
}

.section-rail a span {
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: 0.35s var(--ease);
}

.section-rail a::after {
  width: 6px;
  height: 6px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 50%;
  content: "";
  background: var(--bg);
  transition: 0.3s ease;
}

.section-rail:hover a span,
.section-rail a:focus-visible span {
  width: 68px;
  opacity: 1;
  transform: none;
}

.section-rail a.is-active {
  color: #fff;
}

.section-rail a.is-active::after {
  border-color: var(--teal);
  background: var(--teal);
  box-shadow: 0 0 13px var(--teal);
}

.rail-line {
  position: absolute;
  top: 8px;
  right: 2px;
  bottom: 8px;
  width: 1px;
  z-index: -1;
  background: rgba(255, 255, 255, 0.09);
}

.rail-line i {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top;
  background: linear-gradient(var(--teal), rgba(25, 200, 207, 0.05));
}

.hero {
  display: flex;
  align-items: center;
  isolation: isolate;
  min-height: max(780px, 100svh);
  background: #020405;
}

.hero-media {
  position: absolute;
  inset: -5%;
  z-index: -3;
  will-change: transform;
  transform: translate3d(0, var(--hero-shift, 0px), 0) scale(1.05);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 57% center;
  filter: saturate(0.82) contrast(1.04) brightness(0.87);
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 4, 5, 0.97) 0%, rgba(2, 4, 5, 0.82) 29%, rgba(2, 4, 5, 0.25) 58%, rgba(2, 4, 5, 0.13) 75%, rgba(2, 4, 5, 0.72) 100%),
    linear-gradient(0deg, rgba(2, 4, 5, 0.98), transparent 28%, rgba(2, 4, 5, 0.52));
}

.hero-gridlines {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.15) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(90deg, #000, transparent 48%);
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: radial-gradient(circle at 38% 52%, rgba(10, 153, 160, 0.11), transparent 31%);
}

.orb {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  border: 1px solid rgba(25, 200, 207, 0.16);
  border-radius: 50%;
}

.orb::after {
  position: absolute;
  top: 50%;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  content: "";
  background: var(--teal);
  box-shadow: 0 0 18px var(--teal);
}

.orb-one {
  top: 14%;
  right: 16%;
  width: 420px;
  aspect-ratio: 1;
  animation: slowSpin 20s linear infinite;
}

.orb-two {
  right: 22%;
  bottom: 13%;
  width: 190px;
  aspect-ratio: 1;
  animation: slowSpin 14s linear infinite reverse;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.6fr);
  align-items: center;
  gap: clamp(40px, 7vw, 120px);
  padding-top: calc(var(--header-h) + 62px);
  padding-bottom: 118px;
}

.hero-copy {
  max-width: 800px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 28px;
  color: #8b989a;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.2em;
}

.eyebrow > span {
  position: relative;
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), transparent);
}

.eyebrow > span::before {
  position: absolute;
  top: -2px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(54px, 6.2vw, 112px);
  font-weight: 760;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

h1 > span,
h2 > span {
  display: block;
}

h1 > span {
  color: transparent;
  background: linear-gradient(102deg, #fff 5%, #b8ffff 47%, #1dccd0 92%);
  background-clip: text;
  -webkit-background-clip: text;
  text-shadow: 0 0 38px rgba(25, 200, 207, 0.12);
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 36px;
  color: #a6b0b2;
  font-size: clamp(19px, 1.4vw, 22px);
  line-height: 1.9;
}

.hero-actions,
.free-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  gap: 22px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 17px;
  font-weight: 620;
  letter-spacing: 0.08em;
  transition:
    transform 0.35s var(--ease),
    border-color 0.35s ease,
    background 0.35s ease,
    box-shadow 0.35s ease;
}

.button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  color: #fff;
  background: linear-gradient(120deg, rgb(12, 186, 184), rgb(0, 150, 154));
  box-shadow: 0 14px 42px rgba(0, 150, 154, 0.22);
}

.button-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 48px rgba(0, 150, 154, 0.35);
}

.button-ghost {
  border-color: var(--line-strong);
  color: #dce3e4;
  background: rgba(7, 11, 12, 0.38);
  backdrop-filter: blur(12px);
}

.button-ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(25, 200, 207, 0.48);
  background: rgba(10, 153, 160, 0.1);
}

.button-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
}

.hero-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(115px, 1fr));
  max-width: 600px;
  margin: 50px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.hero-specs li {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 62px;
  border-right: 1px solid var(--line);
  padding-left: 20px;
}

.hero-specs li:last-child {
  border-right: 0;
}

.hero-specs strong {
  color: var(--teal);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  letter-spacing: 0.08em;
}

.hero-specs span {
  color: #c1c9ca;
  font-size: 16px;
  letter-spacing: 0.06em;
}

.hero-hud {
  align-self: end;
  justify-self: end;
  width: min(390px, 100%);
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(5, 8, 10, 0.52);
  backdrop-filter: blur(24px) saturate(120%);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
}

.hud-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #657174;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.hud-live {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #a2f6ef;
}

.hud-live i,
.status-pill i,
.demo-signal i,
.slide-tag i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  animation: pulse 1.8s ease-in-out infinite;
}

.hud-main {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
  padding: 16px;
}

.hud-focus {
  position: relative;
  min-height: 92px;
  padding: 18px;
  border: 1px solid rgba(25, 200, 207, 0.72);
  background: linear-gradient(135deg, rgba(25, 200, 207, 0.16), rgba(25, 200, 207, 0.02));
  box-shadow:
    inset 0 0 25px rgba(25, 200, 207, 0.08),
    0 0 20px rgba(25, 200, 207, 0.09);
}

.hud-focus::after {
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  content: "";
  background: linear-gradient(transparent, #8afff8, transparent);
  animation: focusSweep 2.8s var(--ease) infinite;
}

.hud-focus small,
.hud-focus strong {
  display: block;
}

.hud-focus small {
  margin-bottom: 8px;
  color: #6f8083;
  font-size: 14px;
}

.hud-focus strong {
  font-size: 21px;
  letter-spacing: 0.04em;
}

.hud-keys {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 11px;
  color: #778386;
  font-size: 14px;
}

.hud-keys > span {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.hud-keys .controller-key,
.hud-keys .xbox-key {
  display: inline-block;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  margin: 0;
  object-fit: contain;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  min-height: 24px;
  margin-right: 3px;
  padding: 0 6px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: #dce5e6;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.35);
}

.xbox-key {
  display: inline-block;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  margin-right: 3px;
  vertical-align: middle;
  object-fit: contain;
}

.controller-dpad {
  display: inline-block;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  margin-right: 4px;
  vertical-align: middle;
  object-fit: contain;
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.38);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.scroll-cue i {
  position: relative;
  width: 1px;
  height: 30px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
}

.scroll-cue i::after {
  position: absolute;
  top: -14px;
  left: 0;
  width: 100%;
  height: 14px;
  content: "";
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  animation: scrollDrop 2s ease-in-out infinite;
}

.experience {
  display: flex;
  align-items: center;
  padding: 140px 0 120px;
  background:
    linear-gradient(180deg, #030506, #070b0d 38%, #050708),
    var(--bg);
}

.experience::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.36;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
}

.section-glow {
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(10, 153, 160, 0.13), transparent 68%);
  filter: blur(6px);
}

.section-glow-left {
  bottom: -20%;
  left: -18%;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.95fr 0.75fr;
  align-items: end;
  gap: clamp(40px, 10vw, 170px);
  margin-bottom: clamp(56px, 7vw, 98px);
}

.section-heading .eyebrow {
  margin-bottom: 22px;
}

.section-heading h2,
.control h2,
.free h2 {
  margin-bottom: 0;
  font-size: clamp(45px, 5vw, 78px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.section-heading > p {
  max-width: 560px;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.9;
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, 0.7fr);
  align-items: center;
  gap: clamp(44px, 6vw, 100px);
}

.browser-stage {
  position: relative;
  perspective: 1200px;
  transform: rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg));
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out;
}

.browser-stage::before {
  position: absolute;
  inset: 12% 8% -10%;
  z-index: -1;
  content: "";
  background: rgba(10, 153, 160, 0.24);
  filter: blur(70px);
}

.stage-light {
  position: absolute;
  top: -20%;
  right: 15%;
  z-index: 2;
  width: 30%;
  height: 140%;
  pointer-events: none;
  opacity: 0.28;
  transform: rotate(22deg);
  background: linear-gradient(90deg, transparent, rgba(183, 255, 251, 0.18), transparent);
  filter: blur(24px);
}

.browser-window {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: #0a0e10;
  box-shadow:
    0 50px 100px rgba(0, 0, 0, 0.54),
    inset 0 0 0 1px rgba(255, 255, 255, 0.025);
}

.browser-chrome,
.browser-toolbar {
  display: flex;
  align-items: center;
  padding: 0 17px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.browser-chrome {
  min-height: 43px;
  background: #0d1214;
}

.window-controls {
  display: flex;
  width: 90px;
  gap: 7px;
}

.window-controls i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #30383a;
}

.browser-tabs {
  display: flex;
  align-self: stretch;
  gap: 8px;
}

.browser-tabs span {
  display: grid;
  place-items: center;
  min-width: 78px;
  border-bottom: 1px solid transparent;
  color: #5f6a6d;
  font-size: 13px;
}

.browser-tabs span.active {
  border-bottom-color: var(--teal);
  color: #d8e4e4;
  background: linear-gradient(180deg, rgba(25, 200, 207, 0.08), transparent);
}

.status-pill {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 7px;
  color: #829092;
  font-size: 12px;
}

.browser-toolbar {
  min-height: 50px;
  gap: 9px;
  background: #080c0e;
}

.browser-toolbar button {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.025);
  color: #708082;
  font-size: 14px;
}

.address-bar {
  display: flex;
  align-items: center;
  flex: 1;
  min-height: 28px;
  gap: 9px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 5px;
  background: #0e1416;
  color: #586568;
  font-size: 12px;
}

.address-bar span {
  color: var(--teal);
  font-size: 16px;
}

.browser-canvas {
  min-height: 430px;
  padding: 22px;
  background:
    radial-gradient(circle at 72% 18%, rgba(10, 153, 160, 0.1), transparent 28%),
    #070a0c;
}

.canvas-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 205px;
  overflow: hidden;
  padding: 38px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 7px;
  background:
    radial-gradient(circle at 76% 50%, rgba(18, 224, 220, 0.25), transparent 9%),
    radial-gradient(circle at 75% 50%, rgba(12, 116, 133, 0.34), transparent 25%),
    linear-gradient(118deg, #11191d, #081012 58%, #0a2021);
}

.canvas-hero::before,
.canvas-hero::after {
  position: absolute;
  right: -2%;
  width: 44%;
  aspect-ratio: 1;
  border: 1px solid rgba(55, 239, 232, 0.16);
  border-radius: 50%;
  content: "";
}

.canvas-hero::before {
  animation: slowSpin 16s linear infinite;
}

.canvas-hero::after {
  right: 6%;
  width: 28%;
  border-style: dashed;
  animation: slowSpin 11s linear infinite reverse;
}

.canvas-hero > div {
  position: relative;
  z-index: 1;
}

.canvas-hero small {
  display: block;
  margin-bottom: 13px;
  color: var(--teal);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.canvas-hero strong {
  display: block;
  margin-bottom: 7px;
  font-size: clamp(20px, 2.05vw, 29px);
  line-height: 1.2;
}

.canvas-hero p {
  margin-bottom: 0;
  color: #718083;
  font-size: 13px;
}

.canvas-orbit {
  position: absolute;
  top: 50%;
  right: 18%;
  z-index: 1;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: #d7ffff;
  box-shadow:
    0 0 12px #fff,
    0 0 36px var(--teal),
    0 0 72px var(--teal);
}

.content-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 21px 2px 12px;
}

.content-heading span {
  font-size: 14px;
  font-weight: 620;
}

.content-heading small {
  color: #4d5a5d;
  font-size: 11px;
}

.content-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 11px;
}

.media-card {
  position: relative;
  min-width: 0;
}

.media-card i {
  display: block;
  aspect-ratio: 1.58;
  margin-bottom: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  background:
    radial-gradient(circle at 75% 30%, rgba(25, 200, 207, 0.3), transparent 22%),
    linear-gradient(145deg, #172125, #0d1215);
}

.media-card:nth-child(2) i {
  background:
    radial-gradient(circle at 30% 70%, rgba(91, 89, 225, 0.28), transparent 26%),
    linear-gradient(145deg, #171924, #0d1114);
}

.media-card:nth-child(3) i {
  background:
    radial-gradient(circle at 70% 50%, rgba(191, 126, 64, 0.24), transparent 22%),
    linear-gradient(145deg, #231d19, #0d1114);
}

.media-card:nth-child(4) i {
  background:
    radial-gradient(circle at 42% 42%, rgba(96, 191, 151, 0.24), transparent 22%),
    linear-gradient(145deg, #17221e, #0d1114);
}

.media-card span {
  color: #687577;
  font-size: 11px;
}

.media-card.selected {
  transform: translateY(-3px);
}

.media-card.selected i {
  border-color: var(--teal);
  box-shadow: 0 0 0 2px rgba(25, 200, 207, 0.15), 0 0 18px rgba(25, 200, 207, 0.12);
}

.media-card.selected span {
  color: #c5d1d2;
}

.stage-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  color: #3e4a4d;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.design-points {
  margin: 0;
  padding: 0;
  list-style: none;
}

.design-points li {
  display: grid;
  grid-template-columns: 45px 1fr;
  gap: 20px;
  padding: 27px 0;
  border-top: 1px solid var(--line);
}

.design-points li:last-child {
  border-bottom: 1px solid var(--line);
}

.design-points > li > span {
  padding-top: 4px;
  color: var(--teal);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.design-points h3 {
  margin-bottom: 8px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.design-points p {
  margin-bottom: 0;
  color: #778487;
  font-size: 17px;
  line-height: 1.8;
}

.control {
  display: flex;
  align-items: center;
  padding: 130px 0;
  background:
    radial-gradient(circle at 73% 50%, rgba(10, 153, 160, 0.1), transparent 35%),
    linear-gradient(145deg, #030506, #071012 64%, #040607);
}

.control-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.24;
  background:
    linear-gradient(115deg, transparent 49.7%, rgba(25, 200, 207, 0.12) 50%, transparent 50.3%),
    linear-gradient(65deg, transparent 49.7%, rgba(255, 255, 255, 0.05) 50%, transparent 50.3%);
  background-size: 360px 360px;
}

.control-layout {
  display: grid;
  grid-template-columns: minmax(310px, 0.68fr) minmax(600px, 1.32fr);
  align-items: center;
  gap: clamp(50px, 8vw, 130px);
}

.control-copy {
  max-width: 510px;
}

.control h2 {
  margin-bottom: 30px;
}

.control-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.9;
}

.control-legend {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-top: 35px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: #6e7a7d;
  font-size: 15px;
}

.control-legend > span {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  align-items: center;
  column-gap: 12px;
}

.control-legend em {
  font-style: normal;
}

.control-legend .controller-key {
  display: inline-block;
  width: auto;
  max-width: 40px;
  height: auto;
  max-height: 32px;
  margin-right: 0;
  vertical-align: middle;
  object-fit: contain;
}

.control-legend .controller-key-slot {
  display: grid;
  place-items: center;
  width: 40px;
  height: 32px;
  flex: 0 0 40px;
}

.control-legend .controller-dpad,
.control-legend .xbox-key {
  width: auto;
  max-width: 40px;
  height: auto;
  max-height: 32px;
  margin-right: 0;
  object-fit: contain;
}

.control-keys {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.control-hint {
  flex-wrap: wrap;
}

.control-hint em {
  min-width: 0;
}

.focus-demo {
  position: relative;
  min-width: 0;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  outline: none;
  background: rgba(8, 12, 14, 0.78);
  box-shadow: 0 42px 100px rgba(0, 0, 0, 0.44);
  backdrop-filter: blur(18px);
}

.focus-demo:focus-visible {
  border-color: rgba(25, 200, 207, 0.5);
  box-shadow: 0 0 0 3px rgba(25, 200, 207, 0.1), 0 42px 100px rgba(0, 0, 0, 0.44);
}

.focus-demo::before {
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  content: "";
  opacity: 0.45;
  background: linear-gradient(130deg, rgba(25, 200, 207, 0.35), transparent 28%, transparent 70%, rgba(255, 255, 255, 0.14));
  filter: blur(8px);
}

.demo-topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 3px 2px 21px;
}

.demo-topbar > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-signal {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--teal);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.demo-topbar strong {
  font-size: 21px;
  font-weight: 620;
}

.demo-status {
  color: #6d7a7d;
  font-size: 14px;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.focus-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  aspect-ratio: 1.18;
  min-width: 0;
  overflow: hidden;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 7px;
  text-align: left;
  cursor: pointer;
  background: #111719;
  transition:
    transform 0.36s var(--ease),
    border-color 0.3s ease,
    box-shadow 0.36s ease,
    filter 0.3s ease;
}

.focus-card::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.8;
  background: radial-gradient(circle at 76% 24%, var(--tone, rgba(25, 200, 207, 0.24)), transparent 35%);
}

.focus-card::after {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
  content: "";
}

.focus-card > * {
  position: relative;
  z-index: 1;
}

.focus-card .card-index {
  position: absolute;
  top: 15px;
  left: 16px;
  color: rgba(255, 255, 255, 0.35);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.card-icon {
  position: absolute;
  top: 22px;
  right: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.focus-card strong {
  margin-bottom: 5px;
  font-size: 19px;
  font-weight: 610;
}

.focus-card small {
  color: #6e7b7e;
  font-size: 13px;
}

.focus-card.is-focused,
.focus-card:hover {
  z-index: 2;
  transform: translateY(-5px) scale(1.025);
  border-color: var(--teal);
  box-shadow:
    0 0 0 2px rgba(25, 200, 207, 0.13),
    0 18px 35px rgba(0, 0, 0, 0.35),
    0 0 28px rgba(25, 200, 207, 0.13);
}

.focus-card.is-focused::after {
  border-color: var(--teal);
  box-shadow: inset 0 0 12px rgba(25, 200, 207, 0.15);
}

.focus-card[data-open="true"] {
  border-color: #efffff;
  box-shadow: 0 0 0 3px rgba(25, 200, 207, 0.2), 0 0 40px rgba(25, 200, 207, 0.24);
}

.tone-one { --tone: rgba(25, 200, 207, 0.36); }
.tone-two { --tone: rgba(73, 117, 225, 0.34); }
.tone-three { --tone: rgba(202, 120, 65, 0.32); }
.tone-four { --tone: rgba(88, 175, 117, 0.31); }
.tone-five { --tone: rgba(155, 92, 205, 0.32); }
.tone-six { --tone: rgba(214, 191, 78, 0.25); }

.demo-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  padding: 17px 2px 0;
  color: #536063;
  font-size: 12px;
}

.demo-footer i {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
}

.scenes {
  display: flex;
  align-items: center;
  padding: 140px 0 118px;
  background: #050708;
}

.scenes::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 35%;
  content: "";
  background: linear-gradient(180deg, rgba(10, 153, 160, 0.04), transparent);
}

.scene-heading {
  margin-bottom: 58px;
}

.scene-slider {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: #080b0d;
  box-shadow: 0 45px 90px rgba(0, 0, 0, 0.4);
}

.slides {
  position: relative;
  height: clamp(430px, 56vw, 660px);
  overflow: hidden;
}

.scene-slide {
  position: absolute;
  inset: 0;
  visibility: hidden;
  opacity: 0;
  transform: scale(1.04);
  transition:
    opacity 0.8s ease,
    transform 1.2s var(--ease),
    visibility 0.8s;
}

.scene-slide.is-current {
  visibility: visible;
  z-index: 1;
  opacity: 1;
  transform: scale(1);
}

.scene-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) brightness(0.94);
}

.scene-slide:nth-child(1) img {
  object-position: 56% center;
}

.scene-slide:nth-child(2) img {
  object-position: 34% 70%;
  transform: scale(1.08);
  filter: hue-rotate(-12deg) saturate(0.92) brightness(0.92);
}

.scene-slide:nth-child(3) img {
  object-position: 78% 35%;
  transform: scale(1.1);
  filter: hue-rotate(18deg) saturate(0.86) brightness(0.92);
}

.slide-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 5, 6, 0.42), rgba(3, 5, 6, 0.16) 38%, rgba(3, 5, 6, 0.02) 72%),
    linear-gradient(0deg, rgba(3, 5, 6, 0.28), transparent 42%);
}

.slide-shade-cyan {
  background:
    radial-gradient(circle at 68% 52%, rgba(0, 160, 179, 0.1), transparent 34%),
    linear-gradient(90deg, rgba(3, 5, 6, 0.4), rgba(3, 5, 6, 0.14) 38%, rgba(3, 5, 6, 0.04) 72%),
    linear-gradient(0deg, rgba(3, 5, 6, 0.26), transparent 42%);
}

.slide-shade-violet {
  background:
    radial-gradient(circle at 78% 36%, rgba(72, 56, 127, 0.12), transparent 30%),
    linear-gradient(90deg, rgba(3, 5, 6, 0.42), rgba(3, 5, 6, 0.16) 40%, rgba(3, 5, 6, 0.04) 75%),
    linear-gradient(0deg, rgba(3, 5, 6, 0.26), transparent 42%);
}

.slide-copy {
  position: absolute;
  top: 50%;
  left: clamp(32px, 6vw, 90px);
  z-index: 2;
  width: min(570px, 52%);
  transform: translateY(-50%);
}

.slide-count {
  display: block;
  margin-bottom: 44px;
  color: #637073;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.slide-copy p {
  margin-bottom: 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.2em;
}

.slide-copy h3 {
  margin-bottom: 7px;
  font-size: clamp(44px, 5vw, 78px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.slide-copy > strong {
  display: block;
  margin-bottom: 22px;
  color: #bdc7c8;
  font-size: clamp(20px, 1.75vw, 27px);
  font-weight: 500;
}

.slide-copy > span:last-child {
  display: block;
  max-width: 470px;
  color: #7e8a8d;
  font-size: 17px;
  line-height: 1.8;
}

.slide-tag {
  position: absolute;
  right: 34px;
  bottom: 34px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 8, 9, 0.62);
  color: #91a0a2;
  font-size: 13px;
  letter-spacing: 0.08em;
  backdrop-filter: blur(12px);
}

.slider-controls {
  position: absolute;
  right: 30px;
  bottom: -66px;
  left: 30px;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slider-dots {
  display: flex;
  align-items: center;
  gap: 9px;
}

.slider-dots button {
  width: 32px;
  height: 3px;
  padding: 0;
  border: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.13);
  transition: 0.35s var(--ease);
}

.slider-dots button.is-active {
  width: 54px;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(25, 200, 207, 0.5);
}

.slider-arrows {
  display: flex;
  gap: 8px;
}

.slider-arrows button {
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.13);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.025);
  color: #9ca7a9;
  transition: 0.3s ease;
}

.slider-arrows button:hover {
  border-color: var(--teal);
  background: rgba(25, 200, 207, 0.08);
  color: #fff;
}

.slider-timer {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 4;
  height: 2px;
  overflow: hidden;
  background: transparent;
}

.slider-timer span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--teal), transparent 85%);
}

.slider-timer.is-running span {
  animation: timer 5.8s linear forwards;
}

.scene-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 100px;
  border: 1px solid var(--line);
  background: var(--line);
}

.scene-facts > div {
  min-width: 0;
  padding: 25px 28px;
  background: #070a0c;
}

.scene-facts small,
.scene-facts strong {
  display: block;
}

.scene-facts small {
  margin-bottom: 8px;
  color: #4e5a5d;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.scene-facts strong {
  font-size: 18px;
  font-weight: 560;
}

.free {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: max(820px, 100svh);
  padding: 140px 0 0;
  isolation: isolate;
  background:
    radial-gradient(circle at 72% 42%, rgba(9, 146, 153, 0.15), transparent 22%),
    radial-gradient(circle at 50% 50%, #0a1113, #030506 63%);
}

.free::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: radial-gradient(circle at center, #000, transparent 68%);
}

.free-word {
  position: absolute;
  top: 42%;
  left: 50%;
  z-index: -1;
  color: transparent;
  font-size: clamp(170px, 30vw, 510px);
  font-weight: 800;
  line-height: 0.7;
  letter-spacing: -0.08em;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.045);
}

.free-orbit {
  position: absolute;
  top: 50%;
  left: 69%;
  z-index: -1;
  width: min(60vw, 840px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
}

.free-orbit i {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(25, 200, 207, 0.09);
  border-radius: 50%;
  animation: slowSpin 30s linear infinite;
}

.free-orbit i::after {
  position: absolute;
  top: 50%;
  left: -3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  content: "";
  background: var(--teal);
  box-shadow: 0 0 18px var(--teal);
}

.free-orbit i:nth-child(2) {
  inset: 16%;
  border-style: dashed;
  animation-duration: 22s;
  animation-direction: reverse;
}

.free-orbit i:nth-child(3) {
  inset: 33%;
  animation-duration: 14s;
}

.free-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.6fr);
  align-items: center;
  gap: clamp(70px, 12vw, 190px);
  flex: 1;
  padding-bottom: 100px;
}

.free-copy {
  max-width: 710px;
}

.free h2 {
  margin-bottom: 30px;
  font-size: clamp(58px, 7vw, 110px);
  line-height: 1.4;
}

.free h2 em {
  color: var(--teal);
  font-style: normal;
  text-shadow: 0 0 36px rgba(25, 200, 207, 0.2);
}

.free-copy > p:not(.eyebrow) {
  max-width: 590px;
  margin-bottom: 38px;
  color: #8e999c;
  font-size: 20px;
  line-height: 1.9;
}

.free-note {
  max-width: 210px;
  color: #536063;
  font-size: 14px;
  line-height: 1.6;
}

.promise-card {
  position: relative;
  min-height: 450px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015)),
    rgba(4, 8, 9, 0.6);
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px);
}

.promise-card::after {
  position: absolute;
  right: -32%;
  bottom: -38%;
  width: 95%;
  aspect-ratio: 1;
  border: 1px solid rgba(25, 200, 207, 0.15);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 75px rgba(25, 200, 207, 0.06);
}

.promise-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 54px;
  color: #667376;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.promise-head i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 12px var(--teal);
}

.promise-card > strong {
  display: block;
  margin-bottom: 46px;
  font-size: clamp(29px, 3vw, 42px);
  font-weight: 650;
  line-height: 1.22;
  letter-spacing: -0.035em;
}

.promise-card ul {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.promise-card li {
  display: grid;
  grid-template-columns: 32px 1fr;
  padding: 11px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: #849194;
  font-size: 15px;
}

.promise-card li span {
  color: var(--teal);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.promise-seal {
  position: absolute;
  right: 30px;
  bottom: 29px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 86px;
  aspect-ratio: 1;
  border: 1px solid rgba(25, 200, 207, 0.42);
  border-radius: 50%;
  transform: rotate(-10deg);
  background: rgba(4, 11, 12, 0.85);
  box-shadow: inset 0 0 28px rgba(25, 200, 207, 0.09), 0 0 20px rgba(25, 200, 207, 0.08);
}

.promise-seal span {
  color: #b8fffa;
  font-size: 15px;
  font-weight: 650;
}

.promise-seal small {
  margin-top: 3px;
  color: #478e90;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.site-footer {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: var(--shell);
  min-height: 96px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
  color: #4b585b;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.site-footer > p {
  margin: 0;
}

.footer-meta {
  position: relative;
  justify-self: end;
  text-align: right;
}

.footer-brand {
  transform: scale(0.9);
  transform-origin: left;
}

.footer-icp {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 2px;
  white-space: nowrap;
  color: #4b585b;
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 38px, 0);
  transition:
    opacity 0.9s ease,
    transform 0.9s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.design-points li:nth-child(2),
.scene-facts > div:nth-child(2) {
  transition-delay: 0.1s;
}

.design-points li:nth-child(3),
.scene-facts > div:nth-child(3) {
  transition-delay: 0.2s;
}

@keyframes slowSpin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.18); }
}

@keyframes focusSweep {
  0%, 20% { transform: translateY(-100%); opacity: 0; }
  45%, 70% { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

@keyframes scrollDrop {
  0% { transform: translateY(0); opacity: 0; }
  25% { opacity: 1; }
  100% { transform: translateY(48px); opacity: 0; }
}

@keyframes timer {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (min-width: 901px) and (min-height: 700px) {
  html {
    scroll-snap-type: y proximity;
  }

  .screen-section {
    scroll-snap-align: start;
  }
}

@media (max-width: 1260px) {
  :root {
    --shell: min(1180px, calc(100vw - 80px));
  }

  .site-header {
    padding: 0 30px;
  }

  .main-nav {
    gap: 25px;
  }

  .section-rail {
    display: none;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .hero-hud {
    opacity: 0.88;
  }

  .control-layout {
    grid-template-columns: 0.65fr 1.35fr;
    gap: 55px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-h: 72px;
    --shell: calc(100vw - 48px);
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 24px;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 7px;
    visibility: hidden;
    padding: 110px 11vw 60px;
    opacity: 0;
    background:
      radial-gradient(circle at 80% 20%, rgba(10, 153, 160, 0.18), transparent 25%),
      rgba(3, 5, 6, 0.98);
    transition:
      opacity 0.45s ease,
      visibility 0.45s;
  }

  .main-nav::before {
    margin-bottom: 28px;
    color: #506064;
    content: "NAVIGATION / 01—05";
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 13px;
    letter-spacing: 0.15em;
  }

  .main-nav a {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #6d787b;
    font-size: clamp(30px, 7vw, 54px);
    font-weight: 650;
    letter-spacing: -0.03em;
  }

  .main-nav a::after {
    top: 50%;
    right: 5px;
    bottom: auto;
    left: auto;
    transform: translateY(-50%) scale(0);
  }

  .main-nav a.is-active::after {
    transform: translateY(-50%) scale(1);
  }

  .menu-open .main-nav {
    visibility: visible;
    opacity: 1;
  }

  .hero {
    min-height: 920px;
  }

  .hero-media {
    inset: 0;
  }

  .hero-media img {
    object-position: 66% center;
  }

  .hero-vignette {
    background:
      linear-gradient(90deg, rgba(2, 4, 5, 0.94), rgba(2, 4, 5, 0.55) 58%, rgba(2, 4, 5, 0.34)),
      linear-gradient(0deg, rgba(2, 4, 5, 1) 0%, rgba(2, 4, 5, 0.52) 40%, rgba(2, 4, 5, 0.48));
  }

  .hero-layout {
    grid-template-columns: 1fr;
    align-content: center;
    padding-top: 130px;
    padding-bottom: 120px;
  }

  .hero-copy {
    max-width: 690px;
  }

  .hero-hud {
    display: none;
  }

  .section-heading,
  .experience-grid,
  .control-layout,
  .free-layout {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
    gap: 28px;
  }

  .section-heading > p {
    margin-bottom: 0;
  }

  .experience-grid {
    gap: 65px;
  }

  .browser-stage {
    width: 100%;
  }

  .design-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .design-points li {
    grid-template-columns: 1fr;
    align-content: start;
    padding: 24px 20px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .design-points li:last-child {
    border-right: 0;
  }

  .control-copy {
    max-width: 650px;
  }

  .control-layout {
    gap: 55px;
  }

  .focus-demo {
    width: 100%;
  }

  .free {
    padding-top: 120px;
  }

  .free-layout {
    gap: 70px;
    padding-bottom: 90px;
  }

  .promise-card {
    width: min(620px, 100%);
  }

  .free-orbit {
    top: 70%;
    left: 73%;
    width: 95vw;
  }
}

@media (max-width: 680px) {
  :root {
    --shell: calc(100vw - 32px);
  }

  .site-header {
    padding: 0 16px;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .brand-copy small {
    font-size: 11px;
  }

  .cursor-aura,
  .noise {
    display: none;
  }

  .hero {
    min-height: 860px;
    align-items: flex-end;
  }

  .hero-media {
    bottom: 20%;
    height: 80%;
  }

  .hero-media img {
    object-position: 69% center;
  }

  .hero-vignette {
    background:
      linear-gradient(0deg, #020405 5%, rgba(2, 4, 5, 0.9) 34%, rgba(2, 4, 5, 0.15) 75%, rgba(2, 4, 5, 0.62)),
      linear-gradient(90deg, rgba(2, 4, 5, 0.72), rgba(2, 4, 5, 0.16));
  }

  .hero-gridlines {
    background-size: 54px 54px;
  }

  .orb-one {
    top: 13%;
    right: -38%;
    width: 350px;
  }

  .orb-two {
    display: none;
  }

  .hero-layout {
    align-content: end;
    padding-top: 380px;
    padding-bottom: 104px;
  }

  .eyebrow {
    margin-bottom: 20px;
    font-size: 13px;
    line-height: 1.45;
    letter-spacing: 0.15em;
  }

  h1 {
    margin-bottom: 22px;
    font-size: clamp(46px, 14vw, 68px);
    line-height: 1.18;
  }

  .hero-lead {
    font-size: 18px;
    line-height: 1.8;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button {
    flex: 1 1 100%;
  }

  .hero-specs {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 38px;
  }

  .hero-specs li,
  .hero-specs li:last-child {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2px;
    min-height: 70px;
    padding-left: 10px;
  }

  .hero-specs li:first-child {
    padding-left: 0;
  }

  .hero-specs span {
    font-size: 14px;
  }

  .scroll-cue {
    bottom: 18px;
  }

  .scroll-cue span {
    display: none;
  }

  .experience,
  .control,
  .scenes {
    padding: 100px 0;
  }

  .section-heading {
    margin-bottom: 48px;
  }

  .section-heading h2,
  .control h2,
  .free h2 {
    font-size: clamp(42px, 12vw, 62px);
  }

  .section-heading > p,
  .control-copy > p:not(.eyebrow),
  .free-copy > p:not(.eyebrow) {
    font-size: 18px;
    line-height: 1.85;
  }

  .browser-window {
    border-radius: 6px;
  }

  .window-controls,
  .status-pill {
    display: none;
  }

  .browser-chrome {
    justify-content: center;
  }

  .browser-tabs span {
    min-width: 64px;
  }

  .browser-toolbar {
    padding: 0 10px;
  }

  .browser-toolbar button:nth-child(2) {
    display: none;
  }

  .browser-canvas {
    min-height: 360px;
    padding: 13px;
  }

  .canvas-hero {
    min-height: 178px;
    padding: 25px;
  }

  .content-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .media-card:nth-child(n+3) {
    display: none;
  }

  .stage-caption {
    gap: 18px;
    line-height: 1.5;
  }

  .stage-caption span:last-child {
    text-align: right;
  }

  .design-points {
    grid-template-columns: 1fr;
  }

  .design-points li {
    grid-template-columns: 40px 1fr;
    padding: 22px 0;
    border-right: 0;
  }

  .focus-demo {
    padding: 13px;
  }

  .demo-topbar {
    align-items: flex-start;
    padding: 7px 4px 18px;
  }

  .demo-status {
    max-width: 110px;
    text-align: right;
  }

  .focus-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .focus-card {
    aspect-ratio: 1.1;
    padding: 13px;
  }

  .focus-card strong {
    font-size: 17px;
  }

  .demo-footer {
    gap: 8px;
    overflow: hidden;
  }

  .demo-footer span:last-child {
    display: none;
  }

  .slides {
    height: 590px;
  }

  .scene-slide img {
    object-position: 67% center !important;
  }

  .slide-shade,
  .slide-shade-cyan,
  .slide-shade-violet {
    background:
      linear-gradient(0deg, rgba(3, 5, 6, 0.55) 3%, rgba(3, 5, 6, 0.22) 46%, rgba(3, 5, 6, 0.06) 100%),
      linear-gradient(90deg, rgba(3, 5, 6, 0.22), transparent);
  }

  .slide-copy {
    top: auto;
    right: 24px;
    bottom: 65px;
    left: 24px;
    width: auto;
    transform: none;
  }

  .slide-count {
    margin-bottom: 22px;
  }

  .slide-copy h3 {
    font-size: 48px;
  }

  .slide-copy > span:last-child {
    font-size: 16px;
  }

  .slide-tag {
    top: 22px;
    right: 20px;
    bottom: auto;
  }

  .slider-controls {
    right: 0;
    bottom: -62px;
    left: 0;
  }

  .slider-dots button {
    width: 22px;
  }

  .slider-dots button.is-active {
    width: 38px;
  }

  .scene-facts {
    grid-template-columns: 1fr;
    margin-top: 94px;
  }

  .scene-facts > div {
    padding: 20px;
  }

  .free {
    min-height: 100svh;
    padding-top: 100px;
  }

  .free h2 {
    font-size: 56px;
  }

  .free-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .free-note {
    max-width: none;
  }

  .promise-card {
    min-height: 420px;
    padding: 23px;
  }

  .promise-card > strong {
    margin-bottom: 38px;
  }

  .promise-seal {
    right: 22px;
    bottom: 22px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 28px 0;
  }

  .site-footer > p,
  .footer-meta {
    justify-self: start;
  }

  .site-footer > p {
    order: 2;
  }

  .footer-meta {
    order: 3;
    text-align: left;
  }

  .footer-icp {
    right: auto;
    left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
    scroll-snap-type: none;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-media,
  .browser-stage {
    transform: none !important;
  }
}

/* Concept-image replacements: keep the page layout, remove code-built mock UI. */
.browser-stage > .concept-visual {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 50px 100px rgba(0, 0, 0, 0.54);
}

.focus-demo > .concept-visual {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

@media (max-width: 600px) {
  .gamepad-toast { right: 16px; bottom: 16px; left: 16px; min-width: 0; }
}